Automatic Chemical Control

Description:

The automatic chemical control feature will adjust the rate of a chemical pump based on the latest approved production test of a well. It can be tied to oil, water, or total fluid production. It will also start and stop the pump based on the associated well’s run status.

Steps to setup:

1. Use tblSetpointOptimizationChemInjection to configure dosage and associate the pump to a well.

•  ID – This autopopulates.
• NodeID – NodeID of the chemical pump, one entry per pump.
• InjectionPPMTarget – Desired dosage of chemical in parts per million (chemical volume to production fluid).
• ChangeAllowedPct – This setting will limit the amount of change that is allowed per adjustment. Setting to 20 will allow up to a +/- 20 percent change in the rate. This is to prevent large changes from happening because of a bad well test.
• ProductionFluidBasis – This allows the PPM dosage calculation to be performed on any of the following data found in tblWellTests from latest entry for that well : 0=total produced fluid, 1=oil, 2=water.

2.Set the tblNodeMaster.ParentNodeID of the chemical pump to the NodeID of the well that the pump is associated with.

3.Add or set up the scheduled event ChemicalPumpControl to the desired time of day or interval, typically run once per day.